<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span
        @click="select(2,$event)"
        class="block positive"
        :class="{'active':newSelectType === 2}"
      >
        {{desc.all}}
        <span class="count">{{ratings.length}}</span>
      </span>
      <span
        @click="select(0,$event)"
        class="block positive"
        :class="{'active':newSelectType === 0}"
      >
        {{desc.positive}}
        <span class="count">{{positiveData.length}}</span>
      </span>
      <span
        @click="select(1,$event)"
        class="block negative"
        :class="{'active':newSelectType === 1}"
      >
        {{desc.negative}}
        <span class="count">{{negativeData.length}}</span>
      </span>
    </div>
    <div @click="toggleContent" class="switch" :class="{'on':newOnlyContent}">
      <span class="icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
const POSITIVE = 0;
const NEGATIVE = 1;
const ALL = 2;

export default {
  data() {
    return {
      newSelectType: this.selectType,
      newOnlyContent: this.onlyContent,
      updateData(type = ALL, onlyContent = false) {
        return {
          type: type,
          onlyContent: onlyContent
        };
      }
    };
  },
  computed: {
    positiveData() {
      return this.ratings.filter(rating => {
        return rating.rateType === POSITIVE;
      });
    },
    negativeData() {
      return this.ratings.filter(rating => {
        return rating.rateType === NEGATIVE;
      });
    }
  },
  props: {
    ratings: {
      type: Array,
      default() {
        return [];
      }
    },
    selectType: {
      type: Number,
      default: ALL
    },
    onlyContent: {
      type: Boolean,
      default: false
    },
    desc: {
      type: Object,
      default() {
        return {
          all: "全部",
          positive: "满意",
          negative: "不满意"
        };
      }
    }
  },
  methods: {
    select(type, event) {
      if (!event._constructed) {
        return;
      }

      this.$emit("updateData",  this.updateData(type, this.newOnlyContent));
      this.newSelectType = type;
    },
    toggleContent(event) {
      if (!event._constructed) {
        return;
      }
      this.$emit("updateData", this.updateData(this.newSelectType, !this.newOnlyContent));
      this.newOnlyContent = !this.newOnlyContent;
    }
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang='stylus' rel='stylesheet/stylus'>
@import '../../common/style/mixin.styl';

.ratingselect {
  .rating-type {
    padding: 18px 0;
    margin: 0 18px;
    border-1px(rgba(7, 17, 27, 0.1));
    font-size: 0;

    .block {
      display: inline-block;
      padding: 8px 12px;
      margin-right: 8px;
      border-radius: 1px;
      font-size: 12px;
      color: rgb(77, 85, 93);

      &.active {
        color: #fff;
      }

      .count {
        font-size: 8px;
        margin-left: 2px;
      }

      &.positive {
        background: rgba(0, 160, 220, 0.2);

        &.active {
          background: rgb(0, 160, 220);
        }
      }

      &.negative {
        background: rgba(77, 85, 93, 0.2);

        &.active {
          background: rgb(77, 85, 93);
        }
      }
    }
  }

  .switch {
    padding: 12px 18px;
    line-height: 24px;
    border-bottom: 1px solid rgba(7, 17, 27, 0.1);
    color: rgb(147, 153, 159);
    font-size: 0;

    &.on {
      .icon-check_circle {
        color: #00c850;
      }
    }

    .icon-check_circle {
      display: inline-block;
      vertical-align: top;
      margin-right: 4px;
      font-size: 24px;
    }

    .text {
      display: inline-block;
      vertical-align: top;
      font-size: 12px;
    }
  }
}
</style>
